Home / 42,432-58,556.16-25,678.08

Finding the Fourth Proportional to 42,432, 58,556.16 and 25,678.08

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Solution

The fourth proportional to 42,432, 58,556.16 and 25,678.08 is: 35,435.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,432 : 58,556.16 = 25,678.08 : x
  2. Step 2: Convert to fraction form
    42,432/58,556.16 = 25,678.08/x
  3. Step 3: Cross multiply
    42,432x = 58,556.16 × 25,678.08
  4. Step 4: Simplify right side
    42,432x = 1,503,609,760.97
  5. Step 5: Solve for x
    x = 1,503,609,760.97/42,432
  6. Step 6: Final answer
    x = 35,435.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.